Rock Band 3 Wireless Keyboard for Xbox 360 All-new Keyboard instrument for Rock Band 3 Plays Rock Band 3 Keyboard, Guitar* and Bass* parts / Two-octave design with 25 velocity-sensitive keys (*Does not support Guitar/Bass Pro Mode) Play real Keyboard parts in the new Rock Band Pro Mode / Versatile layout: Play like a Guitar or on a tabletop Use as MIDI Keyboard Controller when not playing Rock Band (compatible with most MIDI sequencers) 3 AA Batteries and Keyboard Strap included / Use as MIDI Keyboard Controller when not playing Rock Band (compatible with most MIDI sequencers)